code: def visit_Assign(self, node: ast.Assign):
      target_str = astunparse.unparse(node.targets[0])[:-1]
      if target_str in self.variables:
          node.value = (
              ast.parse(self.variables[target_str]).body[0].value
          )
      self.generic_visit(node)
      return node
  
imports: import astunparse
  import ast
  import json
  import sys
  import subprocess
  import os
  import logging
  from shared import BackendNativeObject
label_desc: Use image node_id 2 for calling the InitFileTransformer obj's underlying member method code with example usage: obj.visit_Assign(node) and returns: node